Middle Test Science Grade 5

Fill in the blanks with the correct words or numbers from the box

physical changes	decanting	boiling point	copper	kinetic
chemical changes	water cycle	melting point	mass	opaque

1. ________________ is a good conductor of electricity. It is used to make electric wires.

2. Materials which are _____________ do not allow light to pass through them.

            3.    Vinegar reacts when it is mixed with backing soda. This is an example of                        _________________.

4. A glass break is an example of __________________.

5. The process of separating an insoluble solid from a liquid by pouring away the liquid and leaving behind the solid is called ________________.

6. When liquid water reaches its _____________________, it changes to the gaseous state.

7. When ice reaches its ___________________, it changes to the liquid state.

8. Water never runs out on the Earth due to the ______________________.

9. The _____________ of an object is the amount of matter the object has.

10. Electric fan converts electrical energy to _________ energy.